Joyetech released the new mod, Joyetech Ocular & Joyetech Ocular C (battery changebale). Both are the touch screen mod with a very smart internal system. It features a photo gallery, music player and pedometer function as well as upgradeable firmware. Joyetech Ocular is a 80w output box mod with a built-in 5000mah battery. Instead Joyetech Ocular is a 150w mod, you need put two 18650 batteries in it.